#0000FF — Blue
Pure RGB blue, rarely used raw because it vibrates on dark backgrounds.
Designers usually reach for a softer blue like #2563EB.
Works as a link color on white.
Values
Hex#0000FF
RGBrgb(0, 0, 255)
HSLhsl(240, 100%, 50%)
CMYK100%, 100%, 0%, 0%
Contrast vs white8.59:1
Contrast vs black2.44:1
Complementary & analogous
#FFFF00
#007FFF
#7F00FF
Shade & tint ramp
#00001A
#00004C
#000080
#0000B2
#0000E6
#1A1AFF
#4D4DFF
#8080FF
#B2B2FF
#E5E5FF
CSS
color: #0000ff;
background-color: #0000ff;
--olpes-0000ff: #0000ff;
color: rgb(0 0 255);
color: hsl(240deg 100% 50%);